specification for subdivision construction of road works and drainage

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R10 UNDERGROUND DUCTS (POWER, GAS AND TELECOMMUNICATIONS) The Contractor will be provided with duct layout plans showing proposed duct crossings under the road system. The Contractor shall supply and install the ducts under the road and in strict conformity with the requirements of the relevant Authority prior to base course construction. R10.1 Materials Road crossing ducts shall be conduits of pipes complying with AS2053. R10.2 Size of Ducts 40mm - UPVC, light orange colour, heavy duty. 80mm and 150mm - UPVC, light orange colour, heavy duty or fibre cement, heavy duty. R10.3 Installation of Ducts All ducts shall have a minimum cover of 750mm to the top of the duct and bedded in sand for a minimum distance of 150mm below the lowest duct, and 150mm above the highest duct. No ducts shall be installed with more than 1100mm cover. Ducts are to be laid in horizontal formation up to four in number, and thereafter in tier formation. The length of the ducts is to be the road width plus 1000mm minimum either side of kerb. All ducts shall be plugged with suitable end caps. Draw wires shall be provided in all ducts. Marker tape shall be installed 300m below ground level and above the duct, and brought out to ground level at each end, with a marker peg at one end. R10.4 Supervision and Installation The Contractor shall contact the relevant Authority Liaison Officer concerned, prior to any road ducts being installed to enable Authority staff to supervise the installation and to provide the special marker tape. R11 SIGNS AND LINEMARKING R11.1 General All regulatory and warning signs and pavement linemarking shall be provided to the requirements of Main Roads Western Australia. Specification for Subdivision Construction of Road Works and Drainage Rev. 1 – February 2013 45
R11.2 Temporary Signing and Linemarking The Contractor shall ensure that the site is maintained in a safe condition for all traffic during the construction works and until permanent signing and marking is installed. Temporary signing and pavement markings shall be provided to Main Roads Western Australia requirements, pending installation of permanent markings. R11.3 Permanent Roadway Signing and Linemarking Permanent road signs and linemarking shall be installed by Main Roads Western Australia . The Contractor shall insert 150mm PVC diameter sleeves at the location of all new signs. The Contractor shall spot the approved pavement marking in accordance with Main Roads Western Australia=s Specification for spotting in preparation for longitudinal line marking on roads. The Contractor shall remove any unnecessary pavement marking with 5-7mm aggregate seal or by grinding off, depending on the condition of the existing surface. The Contractor shall then notify Main Roads WA through the completion of the AAdvice of Completion of Conditions Required Prior to the Provision of Services by Main Rods Western Australia@ form. The Contractor shall maintain temporary signs and linemarking until permanent linemarking is installed. R11.4 Permanent Parking Area Signing and Linemarking The pavements shall be marked by one of the following materials to AS 4049: • Paint - with or without glass beads; • Thermoplastic or other applied insitu plastic materials - with or without reflective properties. Paint shall be resistant to bleeding when applied to a bitumen surface. Colour of line markings shall be white excepting that yellow may be used for parking lines to indicate where parking is restricted and blue may be used to indicate areas for disabled persons parking. White off white Y35 in AS 2700 Yellow golden yellow Y14 in AS 2700 Black charcoal B65 in AS 2700 Blue to ACROD requirements The width of longitudinal or broken lane lines shall be 80mm minimum with 100mm preferred. The width of parking bay lines shall be 80mm minimum with 100mm preferred. Parking bays shall be marked with an unbroken line between spaces except those indicated by kerbing or other contrasting paving and a 1200mm T at the line of the carriageway. 46 Specification for Subdivision Construction of Road Works and Drainage Rev. 1 – February 2013
Page 1 and 2: SPECIFICATION FOR SUBDIVISION CONST
Page 3 and 4: P29 SPECIFICATION TO BE TREATED AS
Page 5 and 6: R6.1 General ......................
Page 7 and 8: Not withstanding the pavement desig
Page 9 and 10: The Contractor shall instruct emplo
Page 11 and 12: AS1743 AS1744 AS2008 AS2053 AS2150
Page 13 and 14: The Contractor shall at all times m
Page 15 and 16: The Contractor shall be responsible
Page 17 and 18: E SITE PREPARATION AND EARTHWORKS E
Page 19 and 20: The Contractor shall allow for any
Page 21 and 22: D D1 DRAINAGE GENERAL Stormwater dr
Page 23 and 24: The term "Coarse Aggregate" is used
Page 25 and 26: Where over excavation has occurred,
Page 27 and 28: The aggregate shall be clean and un
Page 29 and 30: Asphalt + 5mm + 5mm + 100mm Surface
Page 31 and 32: NOMINAL SIZE (mm) PERCENTAGE PASSIN
Page 33 and 34: Notwithstanding this Specification
Page 35 and 36: Aggregate Grading Limits Sieve Size
Page 37 and 38: Generally the application rate will
Page 39 and 40: R4.2.7 Finish The completed seal sh
Page 41 and 42: Surface preparation, which shall in
Page 43 and 44: R4.3.6 Joints and Junctions All lon
Page 45 and 46: The acceptance of the asphalt surfa
Page 47 and 48: R6.5 Compaction of Bricks A high fr
Page 49: The spacing of guide posts shall be

specification for subdivision construction of road works and drainage

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